[Bio-software] Re: Which amino acid residue does the letter 'J' mean?

[Raoul Fleckman]

Leucine or Isoleucine

On 2008-06-25, Linlin Yan <yanlinlin82 from gmail.com> wrote:
> I just found there is a letter 'J' in NCBI's scoring matrix file
> (e.g. /usr/share/ncbi/data/BLOSUM50). Does anybody know what it is?
> Thanks!
>